Title (fr)

Publication

Application

Priority

US 9905226 W 19990310

US 7751898 P 19980311

Abstract (en)

[origin: WO9946576A1] This invention concerns a test apparatus and procedure used for quantitative and qualitative characterization of scratch and mar behavior of films or coatings, more particularly automotive coatings. The apparatus includes a micro-indentor that penetrates and scratches the coating to be characterized together with interrelated components for measuring the force applied, the length and depth of the identor penetration, the geometry of the disturbed coating surface as well as means for measuring, analyzing and comparing test results.